Okla. Stat. tit. 21, § 1021.3

A. Any parent, guardian or individual having custody of a minor under the age of eighteen (18) years who knowingly permits or consents to the participation of a minor in any child sexual abuse material shall be guilty of a Class B1 felony offense and, upon conviction, shall be punished by imprisonment in the custody of the Department of Corrections for a period of not more than twenty (20) years or a fine of not more than Twenty-five Thousand Dollars ($25,000.00) or by both such fine and imprisonment. Persons convicted under this section shall not be eligible for a deferred sentence. Except for persons sentenced to life or life without parole, any person sentenced to imprisonment for two (2) years or more for a violation of this subsection shall be required to serve a term of post-imprisonment supervision pursuant to subparagraph f of paragraph 1 of subsection A of Section 991a of Title 22 of the Oklahoma Statutes under conditions determined by the Department of Corrections. The jury shall be advised that the mandatory post- imprisonment supervision shall be in addition to the actual imprisonment. B. The consent of the minor to the activity prohibited by this section shall not constitute a defense.